“ You have the right idea, but the transformer-ing and filter-ing these days is done at hundreds of kilohertz, instead of the 60 Hz line frequency. ... (read full comment) ” 

Posted on February 24, 2011 at 3:15 PM EST

“ Co-locate at power source Aside from the obvious day/night storage problem, there's also the seconds-to-minutes variability of wind and (to a... (read full comment) ” 

Posted on May 7, 2009 at 1:43 PM EDT